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/*
* Copyright 2006, 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 "WebCore"
#include "config.h"
#include "android_graphics.h"
#include "Document.h"
#include "IntRect.h"
#include "Node.h"
#include "RenderSkinButton.h"
#include "SkCanvas.h"
#include "SkNinePatch.h"
#include "SkRect.h"
#include <utils/Debug.h>
#include <utils/Log.h>
#include <wtf/text/CString.h>
struct PatchData {
const char* name;
int8_t outset, margin;
};
static const PatchData gFiles[] =
{
{ "btn_default_disabled_holo.9.png", 2, 7 },
{ "btn_default_normal_holo.9.png", 2, 7 },
{ "btn_default_focused_holo.9.png", 2, 7 },
{ "btn_default_pressed_holo.9.png", 2, 7 }
};
static SkBitmap gButton[sizeof(gFiles)/sizeof(gFiles[0])];
static bool gDecoded;
static bool gHighRes;
namespace WebCore {
void RenderSkinButton::Init(android::AssetManager* am, String drawableDirectory)
{
static bool gInited;
if (gInited)
return;
gInited = true;
gDecoded = true;
gHighRes = drawableDirectory[drawableDirectory.length() - 5] == 'h';
for (size_t i = 0; i < sizeof(gFiles)/sizeof(gFiles[0]); i++) {
String path = drawableDirectory + gFiles[i].name;
if (!RenderSkinAndroid::DecodeBitmap(am, path.utf8().data(), &gButton[i])) {
gDecoded = false;
LOGD("RenderSkinButton::Init: button assets failed to decode\n\tBrowser buttons will not draw");
break;
}
}
// Ensure our enums properly line up with our arrays.
android::CompileTimeAssert<(RenderSkinAndroid::kDisabled == 0)> a1;
android::CompileTimeAssert<(RenderSkinAndroid::kNormal == 1)> a2;
android::CompileTimeAssert<(RenderSkinAndroid::kFocused == 2)> a3;
android::CompileTimeAssert<(RenderSkinAndroid::kPressed == 3)> a4;
}
void RenderSkinButton::Draw(SkCanvas* canvas, const IntRect& r, RenderSkinAndroid::State newState)
{
// If we failed to decode, do nothing. This way the browser still works,
// and webkit will still draw the label and layout space for us.
if (!gDecoded) {
return;
}
// Ensure that the state is within the valid range of our array.
SkASSERT(static_cast<unsigned>(newState) <
static_cast<unsigned>(RenderSkinAndroid::kNumStates));
// Set up the ninepatch information for drawing.
SkRect bounds(r);
const PatchData& pd = gFiles[newState];
int marginValue = pd.margin + pd.outset;
SkIRect margin;
margin.set(marginValue, marginValue, marginValue, marginValue);
if (gHighRes) {
/* FIXME: it shoudn't be necessary to offset the button here,
but gives the right results. */
bounds.offset(0, SK_Scalar1 * 2);
/* FIXME: This temporarily gets around the fact that the margin values and
positioning were created for a low res asset, which was used on
g1-like devices. A better fix would be to read the offset information
out of the png. */
margin.set(10, 9, 10, 14);
}
// Draw to the canvas.
SkNinePatch::DrawNine(canvas, bounds, gButton[newState], margin);
}
} //WebCore
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