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|
/*
* Copyright 2007, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "webviewglue"
#include "config.h"
#include "AndroidAnimation.h"
#include "AndroidLog.h"
#include "BaseLayerAndroid.h"
#include "DrawExtra.h"
#include "Frame.h"
#include "GraphicsJNI.h"
#include "HTMLInputElement.h"
#include "IntPoint.h"
#include "IntRect.h"
#include "LayerAndroid.h"
#include "Node.h"
#include "utils/Functor.h"
#include "private/hwui/DrawGlInfo.h"
#include "PlatformGraphicsContext.h"
#include "PlatformString.h"
#include "ScrollableLayerAndroid.h"
#include "SelectText.h"
#include "SkCanvas.h"
#include "SkDumpCanvas.h"
#include "SkPicture.h"
#include "SkRect.h"
#include "SkTime.h"
#include "TilesManager.h"
#include "WebCoreJni.h"
#include "WebRequestContext.h"
#include "WebViewCore.h"
#include "android_graphics.h"
#ifdef GET_NATIVE_VIEW
#undef GET_NATIVE_VIEW
#endif
#define GET_NATIVE_VIEW(env, obj) ((WebView*)env->GetIntField(obj, gWebViewField))
#include <JNIUtility.h>
#include <JNIHelp.h>
#include <jni.h>
#include <androidfw/KeycodeLabels.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/CString.h>
// Free as much as we possible can
#define TRIM_MEMORY_COMPLETE 80
// Free a lot (all textures gone)
#define TRIM_MEMORY_MODERATE 60
// More moderate free (keep bare minimum to restore quickly-ish - possibly clear all textures)
#define TRIM_MEMORY_BACKGROUND 40
// Moderate free (clear cached tiles, keep visible ones)
#define TRIM_MEMORY_UI_HIDDEN 20
// Duration to show the pressed cursor ring
#define PRESSED_STATE_DURATION 400
namespace android {
static jfieldID gWebViewField;
//-------------------------------------
static jmethodID GetJMethod(JNIEnv* env, jclass clazz, const char name[], const char signature[])
{
jmethodID m = env->GetMethodID(clazz, name, signature);
ALOG_ASSERT(m, "Could not find method %s", name);
return m;
}
//-------------------------------------
// This class provides JNI for making calls into native code from the UI side
// of the multi-threaded WebView.
class WebView
{
public:
enum FrameCachePermission {
DontAllowNewer,
AllowNewer
};
#define DRAW_EXTRAS_SIZE 2
enum DrawExtras { // keep this in sync with WebView.java
DrawExtrasNone = 0,
DrawExtrasSelection = 1,
DrawExtrasCursorRing = 2
};
struct JavaGlue {
jweak m_obj;
jmethodID m_overrideLoading;
jmethodID m_scrollBy;
jmethodID m_sendMoveFocus;
jmethodID m_sendMoveMouse;
jmethodID m_sendMoveMouseIfLatest;
jmethodID m_sendMotionUp;
jmethodID m_domChangedFocus;
jmethodID m_getScaledMaxXScroll;
jmethodID m_getScaledMaxYScroll;
jmethodID m_getVisibleRect;
jmethodID m_rebuildWebTextView;
jmethodID m_viewInvalidate;
jmethodID m_viewInvalidateRect;
jmethodID m_postInvalidateDelayed;
jmethodID m_pageSwapCallback;
jfieldID m_rectLeft;
jfieldID m_rectTop;
jmethodID m_rectWidth;
jmethodID m_rectHeight;
jfieldID m_rectFLeft;
jfieldID m_rectFTop;
jmethodID m_rectFWidth;
jmethodID m_rectFHeight;
AutoJObject object(JNIEnv* env) {
return getRealObject(env, m_obj);
}
} m_javaGlue;
WebView(JNIEnv* env, jobject javaWebView, int viewImpl, WTF::String drawableDir,
bool isHighEndGfx)
: m_isHighEndGfx(isHighEndGfx)
{
memset(m_extras, 0, DRAW_EXTRAS_SIZE * sizeof(DrawExtra*));
jclass clazz = env->FindClass("android/webkit/WebView");
// m_javaGlue = new JavaGlue;
m_javaGlue.m_obj = env->NewWeakGlobalRef(javaWebView);
m_javaGlue.m_scrollBy = GetJMethod(env, clazz, "setContentScrollBy", "(IIZ)Z");
m_javaGlue.m_overrideLoading = GetJMethod(env, clazz, "overrideLoading", "(Ljava/lang/String;)V");
m_javaGlue.m_sendMoveFocus = GetJMethod(env, clazz, "sendMoveFocus", "(II)V");
m_javaGlue.m_sendMoveMouse = GetJMethod(env, clazz, "sendMoveMouse", "(IIII)V");
m_javaGlue.m_sendMoveMouseIfLatest = GetJMethod(env, clazz, "sendMoveMouseIfLatest", "(ZZ)V");
m_javaGlue.m_sendMotionUp = GetJMethod(env, clazz, "sendMotionUp", "(IIIII)V");
m_javaGlue.m_domChangedFocus = GetJMethod(env, clazz, "domChangedFocus", "()V");
m_javaGlue.m_getScaledMaxXScroll = GetJMethod(env, clazz, "getScaledMaxXScroll", "()I");
m_javaGlue.m_getScaledMaxYScroll = GetJMethod(env, clazz, "getScaledMaxYScroll", "()I");
m_javaGlue.m_getVisibleRect = GetJMethod(env, clazz, "sendOurVisibleRect", "()Landroid/graphics/Rect;");
m_javaGlue.m_rebuildWebTextView = GetJMethod(env, clazz, "rebuildWebTextView", "()V");
m_javaGlue.m_viewInvalidate = GetJMethod(env, clazz, "viewInvalidate", "()V");
m_javaGlue.m_viewInvalidateRect = GetJMethod(env, clazz, "viewInvalidate", "(IIII)V");
m_javaGlue.m_postInvalidateDelayed = GetJMethod(env, clazz,
"viewInvalidateDelayed", "(JIIII)V");
m_javaGlue.m_pageSwapCallback = GetJMethod(env, clazz, "pageSwapCallback", "(Z)V");
env->DeleteLocalRef(clazz);
jclass rectClass = env->FindClass("android/graphics/Rect");
ALOG_ASSERT(rectClass, "Could not find Rect class");
m_javaGlue.m_rectLeft = env->GetFieldID(rectClass, "left", "I");
m_javaGlue.m_rectTop = env->GetFieldID(rectClass, "top", "I");
m_javaGlue.m_rectWidth = GetJMethod(env, rectClass, "width", "()I");
m_javaGlue.m_rectHeight = GetJMethod(env, rectClass, "height", "()I");
env->DeleteLocalRef(rectClass);
jclass rectClassF = env->FindClass("android/graphics/RectF");
ALOG_ASSERT(rectClassF, "Could not find RectF class");
m_javaGlue.m_rectFLeft = env->GetFieldID(rectClassF, "left", "F");
m_javaGlue.m_rectFTop = env->GetFieldID(rectClassF, "top", "F");
m_javaGlue.m_rectFWidth = GetJMethod(env, rectClassF, "width", "()F");
m_javaGlue.m_rectFHeight = GetJMethod(env, rectClassF, "height", "()F");
env->DeleteLocalRef(rectClassF);
env->SetIntField(javaWebView, gWebViewField, (jint)this);
m_viewImpl = (WebViewCore*) viewImpl;
m_generation = 0;
m_heightCanMeasure = false;
m_lastDx = 0;
m_lastDxTime = 0;
m_baseLayer = 0;
m_glDrawFunctor = 0;
m_isDrawingPaused = false;
#if USE(ACCELERATED_COMPOSITING)
m_glWebViewState = 0;
#endif
}
~WebView()
{
if (m_javaGlue.m_obj)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
env->DeleteWeakGlobalRef(m_javaGlue.m_obj);
m_javaGlue.m_obj = 0;
}
#if USE(ACCELERATED_COMPOSITING)
// We must remove the m_glWebViewState prior to deleting m_baseLayer. If we
// do not remove it here, we risk having BaseTiles trying to paint using a
// deallocated base layer.
stopGL();
#endif
SkSafeUnref(m_baseLayer);
delete m_glDrawFunctor;
for (int i = 0; i < DRAW_EXTRAS_SIZE; i++)
delete m_extras[i];
}
DrawExtra* getDrawExtra(DrawExtras extras)
{
if (extras == DrawExtrasNone)
return 0;
return m_extras[extras - 1];
}
void stopGL()
{
#if USE(ACCELERATED_COMPOSITING)
delete m_glWebViewState;
m_glWebViewState = 0;
#endif
}
WebViewCore* getWebViewCore() const {
return m_viewImpl;
}
void scrollRectOnScreen(const IntRect& rect)
{
if (rect.isEmpty())
return;
int dx = 0;
int left = rect.x();
int right = rect.maxX();
if (left < m_visibleRect.fLeft)
dx = left - m_visibleRect.fLeft;
// Only scroll right if the entire width can fit on screen.
else if (right > m_visibleRect.fRight
&& right - left < m_visibleRect.width())
dx = right - m_visibleRect.fRight;
int dy = 0;
int top = rect.y();
int bottom = rect.maxY();
if (top < m_visibleRect.fTop)
dy = top - m_visibleRect.fTop;
// Only scroll down if the entire height can fit on screen
else if (bottom > m_visibleRect.fBottom
&& bottom - top < m_visibleRect.height())
dy = bottom - m_visibleRect.fBottom;
if ((dx|dy) == 0 || !scrollBy(dx, dy))
return;
viewInvalidate();
}
bool drawGL(WebCore::IntRect& viewRect, WebCore::IntRect* invalRect,
WebCore::IntRect& webViewRect, int titleBarHeight,
WebCore::IntRect& clip, float scale, int extras)
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_baseLayer)
return false;
if (!m_glWebViewState) {
TilesManager::instance()->setHighEndGfx(m_isHighEndGfx);
m_glWebViewState = new GLWebViewState();
if (m_baseLayer->content()) {
SkRegion region;
SkIRect rect;
rect.set(0, 0, m_baseLayer->content()->width(), m_baseLayer->content()->height());
region.setRect(rect);
m_baseLayer->markAsDirty(region);
m_glWebViewState->setBaseLayer(m_baseLayer, false, true);
}
}
DrawExtra* extra = getDrawExtra((DrawExtras) extras);
unsigned int pic = m_glWebViewState->currentPictureCounter();
m_glWebViewState->glExtras()->setDrawExtra(extra);
// Make sure we have valid coordinates. We might not have valid coords
// if the zoom manager is still initializing. We will be redrawn
// once the correct scale is set
if (!m_visibleRect.isFinite())
return false;
bool treesSwapped = false;
bool newTreeHasAnim = false;
bool ret = m_glWebViewState->drawGL(viewRect, m_visibleRect, invalRect,
webViewRect, titleBarHeight, clip, scale,
&treesSwapped, &newTreeHasAnim);
if (treesSwapped) {
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (javaObject.get()) {
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_pageSwapCallback, newTreeHasAnim);
checkException(env);
}
}
if (ret || m_glWebViewState->currentPictureCounter() != pic)
return !m_isDrawingPaused;
#endif
return false;
}
PictureSet* draw(SkCanvas* canvas, SkColor bgColor, DrawExtras extras, bool split)
{
PictureSet* ret = 0;
if (!m_baseLayer) {
canvas->drawColor(bgColor);
return ret;
}
// draw the content of the base layer first
PictureSet* content = m_baseLayer->content();
int sc = canvas->save(SkCanvas::kClip_SaveFlag);
canvas->clipRect(SkRect::MakeLTRB(0, 0, content->width(),
content->height()), SkRegion::kDifference_Op);
canvas->drawColor(bgColor);
canvas->restoreToCount(sc);
if (content->draw(canvas))
ret = split ? new PictureSet(*content) : 0;
DrawExtra* extra = getDrawExtra(extras);
if (extra)
extra->draw(canvas, 0);
#if USE(ACCELERATED_COMPOSITING)
LayerAndroid* compositeLayer = compositeRoot();
if (compositeLayer) {
// call this to be sure we've adjusted for any scrolling or animations
// before we actually draw
compositeLayer->updateFixedLayersPositions(m_visibleRect);
compositeLayer->updatePositions();
// We have to set the canvas' matrix on the base layer
// (to have fixed layers work as intended)
SkAutoCanvasRestore restore(canvas, true);
m_baseLayer->setMatrix(canvas->getTotalMatrix());
canvas->resetMatrix();
m_baseLayer->draw(canvas, extra);
}
if (extra) {
IntRect dummy; // inval area, unused for now
extra->drawLegacy(canvas, compositeLayer, &dummy);
}
#endif
return ret;
}
int getScaledMaxXScroll()
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return 0;
int result = env->CallIntMethod(javaObject.get(), m_javaGlue.m_getScaledMaxXScroll);
checkException(env);
return result;
}
int getScaledMaxYScroll()
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return 0;
int result = env->CallIntMethod(javaObject.get(), m_javaGlue.m_getScaledMaxYScroll);
checkException(env);
return result;
}
IntRect getVisibleRect()
{
IntRect rect;
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return rect;
jobject jRect = env->CallObjectMethod(javaObject.get(), m_javaGlue.m_getVisibleRect);
checkException(env);
rect.setX(env->GetIntField(jRect, m_javaGlue.m_rectLeft));
checkException(env);
rect.setY(env->GetIntField(jRect, m_javaGlue.m_rectTop));
checkException(env);
rect.setWidth(env->CallIntMethod(jRect, m_javaGlue.m_rectWidth));
checkException(env);
rect.setHeight(env->CallIntMethod(jRect, m_javaGlue.m_rectHeight));
checkException(env);
env->DeleteLocalRef(jRect);
checkException(env);
return rect;
}
void notifyProgressFinished()
{
rebuildWebTextView();
}
#if USE(ACCELERATED_COMPOSITING)
static const ScrollableLayerAndroid* findScrollableLayer(
const LayerAndroid* parent, int x, int y, SkIRect* foundBounds) {
SkRect bounds;
parent->bounds(&bounds);
// Check the parent bounds first; this will clip to within a masking layer's
// bounds.
if (parent->masksToBounds() && !bounds.contains(x, y))
return 0;
// Move the hit test local to parent.
x -= bounds.fLeft;
y -= bounds.fTop;
int count = parent->countChildren();
while (count--) {
const LayerAndroid* child = parent->getChild(count);
const ScrollableLayerAndroid* result = findScrollableLayer(child, x, y,
foundBounds);
if (result) {
foundBounds->offset(bounds.fLeft, bounds.fTop);
if (parent->masksToBounds()) {
if (bounds.width() < foundBounds->width())
foundBounds->fRight = foundBounds->fLeft + bounds.width();
if (bounds.height() < foundBounds->height())
foundBounds->fBottom = foundBounds->fTop + bounds.height();
}
return result;
}
}
if (parent->contentIsScrollable()) {
foundBounds->set(0, 0, bounds.width(), bounds.height());
return static_cast<const ScrollableLayerAndroid*>(parent);
}
return 0;
}
#endif
int scrollableLayer(int x, int y, SkIRect* layerRect, SkIRect* bounds)
{
#if USE(ACCELERATED_COMPOSITING)
const LayerAndroid* layerRoot = compositeRoot();
if (!layerRoot)
return 0;
const ScrollableLayerAndroid* result = findScrollableLayer(layerRoot, x, y,
bounds);
if (result) {
result->getScrollRect(layerRect);
return result->uniqueId();
}
#endif
return 0;
}
void scrollLayer(int layerId, int x, int y)
{
if (m_glWebViewState)
m_glWebViewState->scrollLayer(layerId, x, y);
}
void overrideUrlLoading(const WTF::String& url)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
jstring jName = wtfStringToJstring(env, url);
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_overrideLoading, jName);
env->DeleteLocalRef(jName);
}
void setFindIsUp(bool up)
{
m_viewImpl->m_findIsUp = up;
}
void setHeightCanMeasure(bool measure)
{
m_heightCanMeasure = measure;
}
String getSelection()
{
SelectText* select = static_cast<SelectText*>(
getDrawExtra(WebView::DrawExtrasSelection));
if (select)
return select->getText();
return String();
}
void sendMoveFocus(WebCore::Frame* framePtr, WebCore::Node* nodePtr)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_sendMoveFocus, (jint) framePtr, (jint) nodePtr);
checkException(env);
}
void sendMoveMouse(WebCore::Frame* framePtr, WebCore::Node* nodePtr, int x, int y)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_sendMoveMouse, reinterpret_cast<jint>(framePtr), reinterpret_cast<jint>(nodePtr), x, y);
checkException(env);
}
void sendMoveMouseIfLatest(bool clearTextEntry, bool stopPaintingCaret)
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_sendMoveMouseIfLatest, clearTextEntry, stopPaintingCaret);
checkException(env);
}
void sendMotionUp(WebCore::Frame* framePtr, WebCore::Node* nodePtr, int x, int y)
{
ALOG_ASSERT(m_javaGlue.m_obj, "A WebView was not associated with this WebViewNative!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
m_viewImpl->m_touchGeneration = ++m_generation;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_sendMotionUp, m_generation, (jint) framePtr, (jint) nodePtr, x, y);
checkException(env);
}
bool scrollBy(int dx, int dy)
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return false;
bool result = env->CallBooleanMethod(javaObject.get(), m_javaGlue.m_scrollBy, dx, dy, true);
checkException(env);
return result;
}
void setIsScrolling(bool isScrolling)
{
#if USE(ACCELERATED_COMPOSITING)
if (m_glWebViewState)
m_glWebViewState->setIsScrolling(isScrolling);
#endif
}
void rebuildWebTextView()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_rebuildWebTextView);
checkException(env);
}
void viewInvalidate()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_viewInvalidate);
checkException(env);
}
void viewInvalidateRect(int l, int t, int r, int b)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_viewInvalidateRect, l, r, t, b);
checkException(env);
}
void postInvalidateDelayed(int64_t delay, const WebCore::IntRect& bounds)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_postInvalidateDelayed,
delay, bounds.x(), bounds.y(), bounds.maxX(), bounds.maxY());
checkException(env);
}
int moveGeneration()
{
return m_viewImpl->m_moveGeneration;
}
LayerAndroid* compositeRoot() const
{
ALOG_ASSERT(!m_baseLayer || m_baseLayer->countChildren() == 1,
"base layer can't have more than one child %s", __FUNCTION__);
if (m_baseLayer && m_baseLayer->countChildren() == 1)
return static_cast<LayerAndroid*>(m_baseLayer->getChild(0));
else
return 0;
}
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
static void copyScrollPositionRecursive(const LayerAndroid* from,
LayerAndroid* root)
{
if (!from || !root)
return;
for (int i = 0; i < from->countChildren(); i++) {
const LayerAndroid* l = from->getChild(i);
if (l->contentIsScrollable()) {
const SkPoint& pos = l->getPosition();
LayerAndroid* match = root->findById(l->uniqueId());
if (match && match->contentIsScrollable())
match->setPosition(pos.fX, pos.fY);
}
copyScrollPositionRecursive(l, root);
}
}
#endif
bool setBaseLayer(BaseLayerAndroid* layer, SkRegion& inval, bool showVisualIndicator,
bool isPictureAfterFirstLayout)
{
bool queueFull = false;
#if USE(ACCELERATED_COMPOSITING)
if (m_glWebViewState) {
if (layer)
layer->markAsDirty(inval);
queueFull = m_glWebViewState->setBaseLayer(layer, showVisualIndicator,
isPictureAfterFirstLayout);
}
#endif
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
if (layer) {
// TODO: the below tree copies are only necessary in software rendering
LayerAndroid* newCompositeRoot = static_cast<LayerAndroid*>(layer->getChild(0));
copyScrollPositionRecursive(compositeRoot(), newCompositeRoot);
}
#endif
SkSafeUnref(m_baseLayer);
m_baseLayer = layer;
return queueFull;
}
void replaceBaseContent(PictureSet* set)
{
if (!m_baseLayer)
return;
m_baseLayer->setContent(*set);
delete set;
}
void copyBaseContentToPicture(SkPicture* picture)
{
if (!m_baseLayer)
return;
PictureSet* content = m_baseLayer->content();
m_baseLayer->drawCanvas(picture->beginRecording(content->width(), content->height(),
SkPicture::kUsePathBoundsForClip_RecordingFlag));
picture->endRecording();
}
bool hasContent() {
if (!m_baseLayer)
return false;
return !m_baseLayer->content()->isEmpty();
}
void setFunctor(Functor* functor) {
delete m_glDrawFunctor;
m_glDrawFunctor = functor;
}
Functor* getFunctor() {
return m_glDrawFunctor;
}
BaseLayerAndroid* getBaseLayer() {
return m_baseLayer;
}
void setVisibleRect(SkRect& visibleRect) {
m_visibleRect = visibleRect;
}
void setDrawExtra(DrawExtra *extra, DrawExtras type)
{
if (type == DrawExtrasNone)
return;
DrawExtra* old = m_extras[type - 1];
m_extras[type - 1] = extra;
if (old != extra) {
delete old;
}
}
void setTextSelection(SelectText *selection) {
setDrawExtra(selection, DrawExtrasSelection);
}
int getHandleLayerId(SelectText::HandleId handleId, SkIRect& cursorRect) {
SelectText* selectText = static_cast<SelectText*>(getDrawExtra(DrawExtrasSelection));
if (!selectText || !m_baseLayer)
return -1;
int layerId = selectText->caretLayerId(handleId);
IntRect rect = selectText->caretRect(handleId);
if (layerId != -1) {
// We need to make sure the drawTransform is up to date as this is
// called before a draw() or drawGL()
m_baseLayer->updateLayerPositions(m_visibleRect);
LayerAndroid* root = compositeRoot();
LayerAndroid* layer = root ? root->findById(layerId) : 0;
if (layer && layer->drawTransform())
rect = layer->drawTransform()->mapRect(rect);
}
cursorRect.set(rect.x(), rect.y(), rect.maxX(), rect.maxY());
return layerId;
}
bool m_isDrawingPaused;
private: // local state for WebView
// private to getFrameCache(); other functions operate in a different thread
WebViewCore* m_viewImpl;
int m_generation; // associate unique ID with sent kit focus to match with ui
// Corresponds to the same-named boolean on the java side.
bool m_heightCanMeasure;
int m_lastDx;
SkMSec m_lastDxTime;
DrawExtra* m_extras[DRAW_EXTRAS_SIZE];
BaseLayerAndroid* m_baseLayer;
Functor* m_glDrawFunctor;
#if USE(ACCELERATED_COMPOSITING)
GLWebViewState* m_glWebViewState;
#endif
SkRect m_visibleRect;
bool m_isHighEndGfx;
}; // end of WebView class
/**
* This class holds a function pointer and parameters for calling drawGL into a specific
* viewport. The pointer to the Functor will be put on a framework display list to be called
* when the display list is replayed.
*/
class GLDrawFunctor : Functor {
public:
GLDrawFunctor(WebView* _wvInstance,
bool(WebView::*_funcPtr)(WebCore::IntRect&, WebCore::IntRect*,
WebCore::IntRect&, int, WebCore::IntRect&, jfloat, jint),
WebCore::IntRect _viewRect, float _scale, int _extras) {
wvInstance = _wvInstance;
funcPtr = _funcPtr;
viewRect = _viewRect;
scale = _scale;
extras = _extras;
};
status_t operator()(int messageId, void* data) {
if (viewRect.isEmpty()) {
// NOOP operation if viewport is empty
return 0;
}
WebCore::IntRect inval;
int titlebarHeight = webViewRect.height() - viewRect.height();
uirenderer::DrawGlInfo* info = reinterpret_cast<uirenderer::DrawGlInfo*>(data);
WebCore::IntRect localViewRect = viewRect;
if (info->isLayer)
localViewRect.move(-1 * localViewRect.x(), -1 * localViewRect.y());
WebCore::IntRect clip(info->clipLeft, info->clipTop,
info->clipRight - info->clipLeft,
info->clipBottom - info->clipTop);
TilesManager::instance()->shader()->setWebViewMatrix(info->transform, info->isLayer);
bool retVal = (*wvInstance.*funcPtr)(localViewRect, &inval, webViewRect,
titlebarHeight, clip, scale, extras);
if (retVal) {
IntRect finalInval;
if (inval.isEmpty()) {
finalInval = webViewRect;
retVal = true;
} else {
finalInval.setX(webViewRect.x() + inval.x());
finalInval.setY(webViewRect.y() + titlebarHeight + inval.y());
finalInval.setWidth(inval.width());
finalInval.setHeight(inval.height());
}
info->dirtyLeft = finalInval.x();
info->dirtyTop = finalInval.y();
info->dirtyRight = finalInval.maxX();
info->dirtyBottom = finalInval.maxY();
}
// return 1 if invalidation needed, 0 otherwise
return retVal ? 1 : 0;
}
void updateRect(WebCore::IntRect& _viewRect) {
viewRect = _viewRect;
}
void updateViewRect(WebCore::IntRect& _viewRect) {
webViewRect = _viewRect;
}
void updateScale(float _scale) {
scale = _scale;
}
private:
WebView* wvInstance;
bool (WebView::*funcPtr)(WebCore::IntRect&, WebCore::IntRect*,
WebCore::IntRect&, int, WebCore::IntRect&, float, int);
WebCore::IntRect viewRect;
WebCore::IntRect webViewRect;
jfloat scale;
jint extras;
};
static jobject createJavaRect(JNIEnv* env, int x, int y, int right, int bottom)
{
jclass rectClass = env->FindClass("android/graphics/Rect");
jmethodID init = env->GetMethodID(rectClass, "<init>", "(IIII)V");
jobject rect = env->NewObject(rectClass, init, x, y, right, bottom);
env->DeleteLocalRef(rectClass);
return rect;
}
/*
* Native JNI methods
*/
static int nativeCacheHitFramePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static jobject nativeCacheHitNodeBounds(JNIEnv *env, jobject obj)
{
return 0;
}
static int nativeCacheHitNodePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static bool nativeCacheHitIsPlugin(JNIEnv *env, jobject obj)
{
return false;
}
static void nativeClearCursor(JNIEnv *env, jobject obj)
{
}
static void nativeCreate(JNIEnv *env, jobject obj, int viewImpl,
jstring drawableDir, jboolean isHighEndGfx)
{
WTF::String dir = jstringToWtfString(env, drawableDir);
WebView* webview = new WebView(env, obj, viewImpl, dir, isHighEndGfx);
// NEED THIS OR SOMETHING LIKE IT!
//Release(obj);
}
static jint nativeCursorFramePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static bool focusCandidateHasNextTextfield(JNIEnv *env, jobject obj)
{
return false;
}
static jboolean nativePageShouldHandleShiftAndArrows(JNIEnv *env, jobject obj)
{
return true;
}
static jobject nativeCursorNodeBounds(JNIEnv *env, jobject obj)
{
return 0;
}
static jint nativeCursorNodePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static jobject nativeCursorPosition(JNIEnv *env, jobject obj)
{
return 0;
}
static WebCore::IntRect jrect_to_webrect(JNIEnv* env, jobject obj)
{
if (obj) {
int L, T, R, B;
GraphicsJNI::get_jrect(env, obj, &L, &T, &R, &B);
return WebCore::IntRect(L, T, R - L, B - T);
} else
return WebCore::IntRect();
}
static SkRect jrectf_to_rect(JNIEnv* env, jobject obj)
{
SkRect rect = SkRect::MakeEmpty();
if (obj)
GraphicsJNI::jrectf_to_rect(env, obj, &rect);
return rect;
}
static bool nativeCursorIntersects(JNIEnv *env, jobject obj, jobject visRect)
{
return false;
}
static bool nativeCursorIsAnchor(JNIEnv *env, jobject obj)
{
return false;
}
static bool nativeCursorIsTextInput(JNIEnv *env, jobject obj)
{
return false;
}
static jobject nativeCursorText(JNIEnv *env, jobject obj)
{
return 0;
}
static void nativeDebugDump(JNIEnv *env, jobject obj)
{
}
static jint nativeDraw(JNIEnv *env, jobject obj, jobject canv,
jobject visible, jint color,
jint extras, jboolean split) {
SkCanvas* canvas = GraphicsJNI::getNativeCanvas(env, canv);
WebView* webView = GET_NATIVE_VIEW(env, obj);
SkRect visibleRect = jrectf_to_rect(env, visible);
webView->setVisibleRect(visibleRect);
PictureSet* pictureSet = webView->draw(canvas, color,
static_cast<WebView::DrawExtras>(extras), split);
return reinterpret_cast<jint>(pictureSet);
}
static jint nativeGetDrawGLFunction(JNIEnv *env, jobject obj, jint nativeView,
jobject jrect, jobject jviewrect,
jobject jvisiblerect,
jfloat scale, jint extras) {
WebCore::IntRect viewRect = jrect_to_webrect(env, jrect);
WebView *wvInstance = (WebView*) nativeView;
SkRect visibleRect = jrectf_to_rect(env, jvisiblerect);
wvInstance->setVisibleRect(visibleRect);
GLDrawFunctor* functor = new GLDrawFunctor(wvInstance,
&android::WebView::drawGL, viewRect, scale, extras);
wvInstance->setFunctor((Functor*) functor);
WebCore::IntRect webViewRect = jrect_to_webrect(env, jviewrect);
functor->updateViewRect(webViewRect);
return (jint)functor;
}
static void nativeUpdateDrawGLFunction(JNIEnv *env, jobject obj, jobject jrect,
jobject jviewrect, jobject jvisiblerect, jfloat scale) {
WebView *wvInstance = GET_NATIVE_VIEW(env, obj);
if (wvInstance) {
GLDrawFunctor* functor = (GLDrawFunctor*) wvInstance->getFunctor();
if (functor) {
WebCore::IntRect viewRect = jrect_to_webrect(env, jrect);
functor->updateRect(viewRect);
SkRect visibleRect = jrectf_to_rect(env, jvisiblerect);
wvInstance->setVisibleRect(visibleRect);
WebCore::IntRect webViewRect = jrect_to_webrect(env, jviewrect);
functor->updateViewRect(webViewRect);
functor->updateScale(scale);
}
}
}
static bool nativeEvaluateLayersAnimations(JNIEnv *env, jobject obj, jint nativeView)
{
// only call in software rendering, initialize and evaluate animations
#if USE(ACCELERATED_COMPOSITING)
LayerAndroid* root = ((WebView*)nativeView)->compositeRoot();
if (root) {
root->initAnimations();
return root->evaluateAnimations();
}
#endif
return false;
}
static bool nativeSetBaseLayer(JNIEnv *env, jobject obj, jint nativeView, jint layer, jobject inval,
jboolean showVisualIndicator,
jboolean isPictureAfterFirstLayout)
{
BaseLayerAndroid* layerImpl = reinterpret_cast<BaseLayerAndroid*>(layer);
SkRegion invalRegion;
if (inval)
invalRegion = *GraphicsJNI::getNativeRegion(env, inval);
return ((WebView*)nativeView)->setBaseLayer(layerImpl, invalRegion, showVisualIndicator,
isPictureAfterFirstLayout);
}
static BaseLayerAndroid* nativeGetBaseLayer(JNIEnv *env, jobject obj)
{
return GET_NATIVE_VIEW(env, obj)->getBaseLayer();
}
static void nativeReplaceBaseContent(JNIEnv *env, jobject obj, jint content)
{
PictureSet* set = reinterpret_cast<PictureSet*>(content);
GET_NATIVE_VIEW(env, obj)->replaceBaseContent(set);
}
static void nativeCopyBaseContentToPicture(JNIEnv *env, jobject obj, jobject pict)
{
SkPicture* picture = GraphicsJNI::getNativePicture(env, pict);
GET_NATIVE_VIEW(env, obj)->copyBaseContentToPicture(picture);
}
static bool nativeHasContent(JNIEnv *env, jobject obj)
{
return GET_NATIVE_VIEW(env, obj)->hasContent();
}
static jobject nativeImageURI(JNIEnv *env, jobject obj, jint x, jint y)
{
return 0;
}
static jint nativeFocusCandidateFramePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static bool nativeFocusCandidateIsEditableText(JNIEnv* env, jobject obj,
jint nativeClass)
{
return false;
}
static bool nativeFocusCandidateIsPassword(JNIEnv *env, jobject obj)
{
return false;
}
static bool nativeFocusCandidateIsRtlText(JNIEnv *env, jobject obj)
{
return false;
}
static bool nativeFocusCandidateIsTextInput(JNIEnv *env, jobject obj)
{
return false;
}
static jint nativeFocusCandidateMaxLength(JNIEnv *env, jobject obj)
{
return 0;
}
static jint nativeFocusCandidateIsAutoComplete(JNIEnv *env, jobject obj)
{
return 0;
}
static jobject nativeFocusCandidateName(JNIEnv *env, jobject obj)
{
return false;
}
static jobject nativeFocusCandidateNodeBounds(JNIEnv *env, jobject obj)
{
return 0;
}
static jobject nativeFocusCandidatePaddingRect(JNIEnv *env, jobject obj)
{
return 0;
}
static jint nativeFocusCandidatePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static jint nativeFocusCandidateIsSpellcheck(JNIEnv *env, jobject obj)
{
return 0;
}
static jobject nativeFocusCandidateText(JNIEnv *env, jobject obj)
{
return 0;
}
static int nativeFocusCandidateLineHeight(JNIEnv *env, jobject obj)
{
return 0;
}
static jfloat nativeFocusCandidateTextSize(JNIEnv *env, jobject obj)
{
return 0.f;
}
static int nativeFocusCandidateType(JNIEnv *env, jobject obj)
{
return 0;
}
static int nativeFocusCandidateLayerId(JNIEnv *env, jobject obj)
{
return 0;
}
static bool nativeFocusIsPlugin(JNIEnv *env, jobject obj)
{
return false;
}
static jobject nativeFocusNodeBounds(JNIEnv *env, jobject obj)
{
return 0;
}
static jint nativeFocusNodePointer(JNIEnv *env, jobject obj)
{
return 0;
}
static bool nativeCursorWantsKeyEvents(JNIEnv* env, jobject jwebview) {
return false;
}
static void nativeHideCursor(JNIEnv *env, jobject obj)
{
}
static void nativeSelectBestAt(JNIEnv *env, jobject obj, jobject jrect)
{
}
static void nativeSelectAt(JNIEnv *env, jobject obj, jint x, jint y)
{
}
static jobject nativeLayerBounds(JNIEnv* env, jobject obj, jint jlayer)
{
SkRect r;
#if USE(ACCELERATED_COMPOSITING)
LayerAndroid* layer = (LayerAndroid*) jlayer;
r = layer->bounds();
#else
r.setEmpty();
#endif
SkIRect irect;
r.round(&irect);
jclass rectClass = env->FindClass("android/graphics/Rect");
jmethodID init = env->GetMethodID(rectClass, "<init>", "(IIII)V");
jobject rect = env->NewObject(rectClass, init, irect.fLeft, irect.fTop,
irect.fRight, irect.fBottom);
env->DeleteLocalRef(rectClass);
return rect;
}
static jobject nativeSubtractLayers(JNIEnv* env, jobject obj, jobject jrect)
{
SkIRect irect = jrect_to_webrect(env, jrect);
#if USE(ACCELERATED_COMPOSITING)
LayerAndroid* root = GET_NATIVE_VIEW(env, obj)->compositeRoot();
if (root) {
SkRect rect;
rect.set(irect);
rect = root->subtractLayers(rect);
rect.round(&irect);
}
#endif
jclass rectClass = env->FindClass("android/graphics/Rect");
jmethodID init = env->GetMethodID(rectClass, "<init>", "(IIII)V");
jobject rect = env->NewObject(rectClass, init, irect.fLeft, irect.fTop,
irect.fRight, irect.fBottom);
env->DeleteLocalRef(rectClass);
return rect;
}
static jint nativeTextGeneration(JNIEnv *env, jobject obj)
{
return 0;
}
static bool nativePointInNavCache(JNIEnv *env, jobject obj,
int x, int y, int slop)
{
return false;
}
static bool nativeMotionUp(JNIEnv *env, jobject obj,
int x, int y, int slop)
{
return false;
}
static bool nativeHasCursorNode(JNIEnv *env, jobject obj)
{
return false;
}
static bool nativeHasFocusNode(JNIEnv *env, jobject obj)
{
return false;
}
static bool nativeMoveCursor(JNIEnv *env, jobject obj,
int key, int count, bool ignoreScroll)
{
return false;
}
static void nativeSetFindIsUp(JNIEnv *env, jobject obj, jboolean isUp)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
view->setFindIsUp(isUp);
}
static void nativeShowCursorTimed(JNIEnv *env, jobject obj)
{
}
static void nativeSetHeightCanMeasure(JNIEnv *env, jobject obj, bool measure)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOG_ASSERT(view, "view not set in nativeSetHeightCanMeasure");
view->setHeightCanMeasure(measure);
}
static jobject nativeGetCursorRingBounds(JNIEnv *env, jobject obj)
{
return 0;
}
static void nativeUpdateCachedTextfield(JNIEnv *env, jobject obj, jstring updatedText, jint generation)
{
}
static jint nativeGetBlockLeftEdge(JNIEnv *env, jobject obj, jint x, jint y,
jfloat scale)
{
return -1;
}
static void nativeDestroy(JNIEnv *env, jobject obj)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOGD("nativeDestroy view: %p", view);
ALOG_ASSERT(view, "view not set in nativeDestroy");
delete view;
}
static void nativeStopGL(JNIEnv *env, jobject obj)
{
GET_NATIVE_VIEW(env, obj)->stopGL();
}
static bool nativeMoveCursorToNextTextInput(JNIEnv *env, jobject obj)
{
return false;
}
static int nativeMoveGeneration(JNIEnv *env, jobject obj)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
if (!view)
return 0;
return view->moveGeneration();
}
static jobject nativeGetSelection(JNIEnv *env, jobject obj)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
String selection = view->getSelection();
return wtfStringToJstring(env, selection);
}
static void nativeDiscardAllTextures(JNIEnv *env, jobject obj)
{
//discard all textures for debugging/test purposes, but not gl backing memory
bool allTextures = true, deleteGLTextures = false;
TilesManager::instance()->discardTextures(allTextures, deleteGLTextures);
}
static void nativeTileProfilingStart(JNIEnv *env, jobject obj)
{
TilesManager::instance()->getProfiler()->start();
}
static float nativeTileProfilingStop(JNIEnv *env, jobject obj)
{
return TilesManager::instance()->getProfiler()->stop();
}
static void nativeTileProfilingClear(JNIEnv *env, jobject obj)
{
TilesManager::instance()->getProfiler()->clear();
}
static int nativeTileProfilingNumFrames(JNIEnv *env, jobject obj)
{
return TilesManager::instance()->getProfiler()->numFrames();
}
static int nativeTileProfilingNumTilesInFrame(JNIEnv *env, jobject obj, int frame)
{
return TilesManager::instance()->getProfiler()->numTilesInFrame(frame);
}
static int nativeTileProfilingGetInt(JNIEnv *env, jobject obj, int frame, int tile, jstring jkey)
{
WTF::String key = jstringToWtfString(env, jkey);
TileProfileRecord* record = TilesManager::instance()->getProfiler()->getTile(frame, tile);
if (key == "left")
return record->left;
if (key == "top")
return record->top;
if (key == "right")
return record->right;
if (key == "bottom")
return record->bottom;
if (key == "level")
return record->level;
if (key == "isReady")
return record->isReady ? 1 : 0;
return -1;
}
static float nativeTileProfilingGetFloat(JNIEnv *env, jobject obj, int frame, int tile, jstring jkey)
{
TileProfileRecord* record = TilesManager::instance()->getProfiler()->getTile(frame, tile);
return record->scale;
}
#ifdef ANDROID_DUMP_DISPLAY_TREE
static void dumpToFile(const char text[], void* file) {
fwrite(text, 1, strlen(text), reinterpret_cast<FILE*>(file));
fwrite("\n", 1, 1, reinterpret_cast<FILE*>(file));
}
#endif
static bool nativeSetProperty(JNIEnv *env, jobject obj, jstring jkey, jstring jvalue)
{
WTF::String key = jstringToWtfString(env, jkey);
WTF::String value = jstringToWtfString(env, jvalue);
if (key == "inverted") {
bool shouldInvert = (value == "true");
TilesManager::instance()->setInvertedScreen(shouldInvert);
return true;
}
else if (key == "inverted_contrast") {
float contrast = value.toFloat();
TilesManager::instance()->setInvertedScreenContrast(contrast);
return true;
}
else if (key == "enable_cpu_upload_path") {
TilesManager::instance()->transferQueue()->setTextureUploadType(
value == "true" ? CpuUpload : GpuUpload);
return true;
}
else if (key == "use_minimal_memory") {
TilesManager::instance()->setUseMinimalMemory(value == "true");
return true;
}
else if (key == "use_double_buffering") {
TilesManager::instance()->setUseDoubleBuffering(value == "true");
return true;
}
else if (key == "tree_updates") {
TilesManager::instance()->clearTreeUpdates();
return true;
}
return false;
}
static jstring nativeGetProperty(JNIEnv *env, jobject obj, jstring jkey)
{
WTF::String key = jstringToWtfString(env, jkey);
if (key == "tree_updates") {
int updates = TilesManager::instance()->getTreeUpdates();
WTF::String wtfUpdates = WTF::String::number(updates);
return wtfStringToJstring(env, wtfUpdates);
}
return 0;
}
static void nativeOnTrimMemory(JNIEnv *env, jobject obj, jint level)
{
if (TilesManager::hardwareAccelerationEnabled()) {
// When we got TRIM_MEMORY_MODERATE or TRIM_MEMORY_COMPLETE, we should
// make sure the transfer queue is empty and then abandon the Surface
// Texture to avoid ANR b/c framework may destroy the EGL context.
// Refer to WindowManagerImpl.java for conditions we followed.
if (level >= TRIM_MEMORY_MODERATE
&& !TilesManager::instance()->highEndGfx()) {
TilesManager::instance()->transferQueue()->emptyQueue();
TilesManager::instance()->shader()->cleanupGLResources();
}
bool freeAllTextures = (level > TRIM_MEMORY_UI_HIDDEN), glTextures = true;
TilesManager::instance()->discardTextures(freeAllTextures, glTextures);
}
}
static void nativeDumpDisplayTree(JNIEnv* env, jobject jwebview, jstring jurl)
{
#ifdef ANDROID_DUMP_DISPLAY_TREE
WebView* view = GET_NATIVE_VIEW(env, jwebview);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
if (view && view->getWebViewCore()) {
FILE* file = fopen(DISPLAY_TREE_LOG_FILE, "w");
if (file) {
SkFormatDumper dumper(dumpToFile, file);
// dump the URL
if (jurl) {
const char* str = env->GetStringUTFChars(jurl, 0);
SkDebugf("Dumping %s to %s\n", str, DISPLAY_TREE_LOG_FILE);
dumpToFile(str, file);
env->ReleaseStringUTFChars(jurl, str);
}
// now dump the display tree
SkDumpCanvas canvas(&dumper);
// this will playback the picture into the canvas, which will
// spew its contents to the dumper
view->draw(&canvas, 0, WebView::DrawExtrasNone, false);
// we're done with the file now
fwrite("\n", 1, 1, file);
fclose(file);
}
#if USE(ACCELERATED_COMPOSITING)
const LayerAndroid* rootLayer = view->compositeRoot();
if (rootLayer) {
FILE* file = fopen(LAYERS_TREE_LOG_FILE,"w");
if (file) {
rootLayer->dumpLayers(file, 0);
fclose(file);
}
}
#endif
}
#endif
}
static int nativeScrollableLayer(JNIEnv* env, jobject jwebview, jint x, jint y,
jobject rect, jobject bounds)
{
WebView* view = GET_NATIVE_VIEW(env, jwebview);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
SkIRect nativeRect, nativeBounds;
int id = view->scrollableLayer(x, y, &nativeRect, &nativeBounds);
if (rect)
GraphicsJNI::irect_to_jrect(nativeRect, env, rect);
if (bounds)
GraphicsJNI::irect_to_jrect(nativeBounds, env, bounds);
return id;
}
static bool nativeScrollLayer(JNIEnv* env, jobject obj, jint layerId, jint x,
jint y)
{
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
WebView* view = GET_NATIVE_VIEW(env, obj);
view->scrollLayer(layerId, x, y);
//TODO: the below only needed for the SW rendering path
LayerAndroid* root = view->compositeRoot();
if (!root)
return false;
LayerAndroid* layer = root->findById(layerId);
if (!layer || !layer->contentIsScrollable())
return false;
return static_cast<ScrollableLayerAndroid*>(layer)->scrollTo(x, y);
#endif
return false;
}
static void nativeSetIsScrolling(JNIEnv* env, jobject jwebview, jboolean isScrolling)
{
WebView* view = GET_NATIVE_VIEW(env, jwebview);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
view->setIsScrolling(isScrolling);
}
static void nativeUseHardwareAccelSkia(JNIEnv*, jobject, jboolean enabled)
{
BaseRenderer::setCurrentRendererType(enabled ? BaseRenderer::Ganesh : BaseRenderer::Raster);
}
static int nativeGetBackgroundColor(JNIEnv* env, jobject obj)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
BaseLayerAndroid* baseLayer = view->getBaseLayer();
if (baseLayer) {
WebCore::Color color = baseLayer->getBackgroundColor();
if (color.isValid())
return SkColorSetARGB(color.alpha(), color.red(),
color.green(), color.blue());
}
return SK_ColorWHITE;
}
static void nativeSetPauseDrawing(JNIEnv *env, jobject obj, jint nativeView,
jboolean pause)
{
((WebView*)nativeView)->m_isDrawingPaused = pause;
}
static bool nativeDisableNavcache(JNIEnv *env, jobject obj)
{
return true;
}
static void nativeSetTextSelection(JNIEnv *env, jobject obj, jint nativeView,
jint selectionPtr)
{
SelectText* selection = reinterpret_cast<SelectText*>(selectionPtr);
reinterpret_cast<WebView*>(nativeView)->setTextSelection(selection);
}
static jint nativeGetHandleLayerId(JNIEnv *env, jobject obj, jint nativeView,
jint handleIndex, jobject cursorRect)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
SkIRect nativeRect;
int layerId = webview->getHandleLayerId((SelectText::HandleId) handleIndex, nativeRect);
if (cursorRect)
GraphicsJNI::irect_to_jrect(nativeRect, env, cursorRect);
return layerId;
}
static jboolean nativeIsBaseFirst(JNIEnv *env, jobject obj, jint nativeView)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
SelectText* select = static_cast<SelectText*>(
webview->getDrawExtra(WebView::DrawExtrasSelection));
return select ? select->isBaseFirst() : false;
}
/*
* JNI registration
*/
static JNINativeMethod gJavaWebViewMethods[] = {
{ "nativeCacheHitFramePointer", "()I",
(void*) nativeCacheHitFramePointer },
{ "nativeCacheHitIsPlugin", "()Z",
(void*) nativeCacheHitIsPlugin },
{ "nativeCacheHitNodeBounds", "()Landroid/graphics/Rect;",
(void*) nativeCacheHitNodeBounds },
{ "nativeCacheHitNodePointer", "()I",
(void*) nativeCacheHitNodePointer },
{ "nativeClearCursor", "()V",
(void*) nativeClearCursor },
{ "nativeCreate", "(ILjava/lang/String;Z)V",
(void*) nativeCreate },
{ "nativeCursorFramePointer", "()I",
(void*) nativeCursorFramePointer },
{ "nativePageShouldHandleShiftAndArrows", "()Z",
(void*) nativePageShouldHandleShiftAndArrows },
{ "nativeCursorNodeBounds", "()Landroid/graphics/Rect;",
(void*) nativeCursorNodeBounds },
{ "nativeCursorNodePointer", "()I",
(void*) nativeCursorNodePointer },
{ "nativeCursorIntersects", "(Landroid/graphics/Rect;)Z",
(void*) nativeCursorIntersects },
{ "nativeCursorIsAnchor", "()Z",
(void*) nativeCursorIsAnchor },
{ "nativeCursorIsTextInput", "()Z",
(void*) nativeCursorIsTextInput },
{ "nativeCursorPosition", "()Landroid/graphics/Point;",
(void*) nativeCursorPosition },
{ "nativeCursorText", "()Ljava/lang/String;",
(void*) nativeCursorText },
{ "nativeCursorWantsKeyEvents", "()Z",
(void*)nativeCursorWantsKeyEvents },
{ "nativeDebugDump", "()V",
(void*) nativeDebugDump },
{ "nativeDestroy", "()V",
(void*) nativeDestroy },
{ "nativeDraw", "(Landroid/graphics/Canvas;Landroid/graphics/RectF;IIZ)I",
(void*) nativeDraw },
{ "nativeGetDrawGLFunction", "(ILandroid/graphics/Rect;Landroid/graphics/Rect;Landroid/graphics/RectF;FI)I",
(void*) nativeGetDrawGLFunction },
{ "nativeUpdateDrawGLFunction", "(Landroid/graphics/Rect;Landroid/graphics/Rect;Landroid/graphics/RectF;F)V",
(void*) nativeUpdateDrawGLFunction },
{ "nativeDumpDisplayTree", "(Ljava/lang/String;)V",
(void*) nativeDumpDisplayTree },
{ "nativeEvaluateLayersAnimations", "(I)Z",
(void*) nativeEvaluateLayersAnimations },
{ "nativeFocusCandidateFramePointer", "()I",
(void*) nativeFocusCandidateFramePointer },
{ "nativeFocusCandidateHasNextTextfield", "()Z",
(void*) focusCandidateHasNextTextfield },
{ "nativeFocusCandidateIsPassword", "()Z",
(void*) nativeFocusCandidateIsPassword },
{ "nativeFocusCandidateIsRtlText", "()Z",
(void*) nativeFocusCandidateIsRtlText },
{ "nativeFocusCandidateIsTextInput", "()Z",
(void*) nativeFocusCandidateIsTextInput },
{ "nativeFocusCandidateLineHeight", "()I",
(void*) nativeFocusCandidateLineHeight },
{ "nativeFocusCandidateMaxLength", "()I",
(void*) nativeFocusCandidateMaxLength },
{ "nativeFocusCandidateIsAutoComplete", "()Z",
(void*) nativeFocusCandidateIsAutoComplete },
{ "nativeFocusCandidateIsSpellcheck", "()Z",
(void*) nativeFocusCandidateIsSpellcheck },
{ "nativeFocusCandidateName", "()Ljava/lang/String;",
(void*) nativeFocusCandidateName },
{ "nativeFocusCandidateNodeBounds", "()Landroid/graphics/Rect;",
(void*) nativeFocusCandidateNodeBounds },
{ "nativeFocusCandidatePaddingRect", "()Landroid/graphics/Rect;",
(void*) nativeFocusCandidatePaddingRect },
{ "nativeFocusCandidatePointer", "()I",
(void*) nativeFocusCandidatePointer },
{ "nativeFocusCandidateText", "()Ljava/lang/String;",
(void*) nativeFocusCandidateText },
{ "nativeFocusCandidateTextSize", "()F",
(void*) nativeFocusCandidateTextSize },
{ "nativeFocusCandidateType", "()I",
(void*) nativeFocusCandidateType },
{ "nativeFocusCandidateLayerId", "()I",
(void*) nativeFocusCandidateLayerId },
{ "nativeFocusIsPlugin", "()Z",
(void*) nativeFocusIsPlugin },
{ "nativeFocusNodeBounds", "()Landroid/graphics/Rect;",
(void*) nativeFocusNodeBounds },
{ "nativeFocusNodePointer", "()I",
(void*) nativeFocusNodePointer },
{ "nativeGetCursorRingBounds", "()Landroid/graphics/Rect;",
(void*) nativeGetCursorRingBounds },
{ "nativeGetSelection", "()Ljava/lang/String;",
(void*) nativeGetSelection },
{ "nativeHasCursorNode", "()Z",
(void*) nativeHasCursorNode },
{ "nativeHasFocusNode", "()Z",
(void*) nativeHasFocusNode },
{ "nativeHideCursor", "()V",
(void*) nativeHideCursor },
{ "nativeImageURI", "(II)Ljava/lang/String;",
(void*) nativeImageURI },
{ "nativeLayerBounds", "(I)Landroid/graphics/Rect;",
(void*) nativeLayerBounds },
{ "nativeMotionUp", "(III)Z",
(void*) nativeMotionUp },
{ "nativeMoveCursor", "(IIZ)Z",
(void*) nativeMoveCursor },
{ "nativeMoveCursorToNextTextInput", "()Z",
(void*) nativeMoveCursorToNextTextInput },
{ "nativeMoveGeneration", "()I",
(void*) nativeMoveGeneration },
{ "nativePointInNavCache", "(III)Z",
(void*) nativePointInNavCache },
{ "nativeSelectBestAt", "(Landroid/graphics/Rect;)V",
(void*) nativeSelectBestAt },
{ "nativeSelectAt", "(II)V",
(void*) nativeSelectAt },
{ "nativeSetFindIsUp", "(Z)V",
(void*) nativeSetFindIsUp },
{ "nativeSetHeightCanMeasure", "(Z)V",
(void*) nativeSetHeightCanMeasure },
{ "nativeSetBaseLayer", "(IILandroid/graphics/Region;ZZ)Z",
(void*) nativeSetBaseLayer },
{ "nativeGetBaseLayer", "()I",
(void*) nativeGetBaseLayer },
{ "nativeReplaceBaseContent", "(I)V",
(void*) nativeReplaceBaseContent },
{ "nativeCopyBaseContentToPicture", "(Landroid/graphics/Picture;)V",
(void*) nativeCopyBaseContentToPicture },
{ "nativeHasContent", "()Z",
(void*) nativeHasContent },
{ "nativeShowCursorTimed", "()V",
(void*) nativeShowCursorTimed },
{ "nativeDiscardAllTextures", "()V",
(void*) nativeDiscardAllTextures },
{ "nativeTileProfilingStart", "()V",
(void*) nativeTileProfilingStart },
{ "nativeTileProfilingStop", "()F",
(void*) nativeTileProfilingStop },
{ "nativeTileProfilingClear", "()V",
(void*) nativeTileProfilingClear },
{ "nativeTileProfilingNumFrames", "()I",
(void*) nativeTileProfilingNumFrames },
{ "nativeTileProfilingNumTilesInFrame", "(I)I",
(void*) nativeTileProfilingNumTilesInFrame },
{ "nativeTileProfilingGetInt", "(IILjava/lang/String;)I",
(void*) nativeTileProfilingGetInt },
{ "nativeTileProfilingGetFloat", "(IILjava/lang/String;)F",
(void*) nativeTileProfilingGetFloat },
{ "nativeStopGL", "()V",
(void*) nativeStopGL },
{ "nativeSubtractLayers", "(Landroid/graphics/Rect;)Landroid/graphics/Rect;",
(void*) nativeSubtractLayers },
{ "nativeTextGeneration", "()I",
(void*) nativeTextGeneration },
{ "nativeUpdateCachedTextfield", "(Ljava/lang/String;I)V",
(void*) nativeUpdateCachedTextfield },
{ "nativeGetBlockLeftEdge", "(IIF)I",
(void*) nativeGetBlockLeftEdge },
{ "nativeScrollableLayer", "(IILandroid/graphics/Rect;Landroid/graphics/Rect;)I",
(void*) nativeScrollableLayer },
{ "nativeScrollLayer", "(III)Z",
(void*) nativeScrollLayer },
{ "nativeSetIsScrolling", "(Z)V",
(void*) nativeSetIsScrolling },
{ "nativeUseHardwareAccelSkia", "(Z)V",
(void*) nativeUseHardwareAccelSkia },
{ "nativeGetBackgroundColor", "()I",
(void*) nativeGetBackgroundColor },
{ "nativeSetProperty", "(Ljava/lang/String;Ljava/lang/String;)Z",
(void*) nativeSetProperty },
{ "nativeGetProperty", "(Ljava/lang/String;)Ljava/lang/String;",
(void*) nativeGetProperty },
{ "nativeOnTrimMemory", "(I)V",
(void*) nativeOnTrimMemory },
{ "nativeSetPauseDrawing", "(IZ)V",
(void*) nativeSetPauseDrawing },
{ "nativeDisableNavcache", "()Z",
(void*) nativeDisableNavcache },
{ "nativeFocusCandidateIsEditableText", "(I)Z",
(void*) nativeFocusCandidateIsEditableText },
{ "nativeSetTextSelection", "(II)V",
(void*) nativeSetTextSelection },
{ "nativeGetHandleLayerId", "(IILandroid/graphics/Rect;)I",
(void*) nativeGetHandleLayerId },
{ "nativeIsBaseFirst", "(I)Z",
(void*) nativeIsBaseFirst },
};
int registerWebView(JNIEnv* env)
{
jclass clazz = env->FindClass("android/webkit/WebView");
ALOG_ASSERT(clazz, "Unable to find class android/webkit/WebView");
gWebViewField = env->GetFieldID(clazz, "mNativeClass", "I");
ALOG_ASSERT(gWebViewField, "Unable to find android/webkit/WebView.mNativeClass");
env->DeleteLocalRef(clazz);
return jniRegisterNativeMethods(env, "android/webkit/WebView", gJavaWebViewMethods, NELEM(gJavaWebViewMethods));
}
} // namespace android
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