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Diffstat (limited to 'WebKit/android/RenderSkinButton.cpp')
-rw-r--r-- | WebKit/android/RenderSkinButton.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/WebKit/android/RenderSkinButton.cpp b/WebKit/android/RenderSkinButton.cpp new file mode 100644 index 0000000..c878cb9 --- /dev/null +++ b/WebKit/android/RenderSkinButton.cpp @@ -0,0 +1,107 @@ +/* + * 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 APPLE COMPUTER, INC. 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> + +struct PatchData { + const char* name; + int8_t outset, margin; +}; + +static const PatchData gFiles[] = + { + { "res/drawable/btn_default_normal_disable.9.png", 2, 7 }, + { "res/drawable/btn_default_normal.9.png", 2, 7 }, + { "res/drawable/btn_default_selected.9.png", 2, 7 }, + { "res/drawable/btn_default_pressed.9.png", 2, 7 } + }; + +static SkBitmap gButton[sizeof(gFiles)/sizeof(gFiles[0])]; +static bool gDecoded; + +namespace WebCore { + +void RenderSkinButton::Init(android::AssetManager* am) +{ + static bool gInited; + if (gInited) + return; + + gInited = true; + gDecoded = true; + for (size_t i = 0; i < sizeof(gFiles)/sizeof(gFiles[0]); i++) { + if (!RenderSkinAndroid::DecodeBitmap(am, gFiles[i].name, &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; + android_setrect(&bounds, r); + const PatchData& pd = gFiles[newState]; + int marginValue = pd.margin + pd.outset; + + SkIRect margin; + + margin.set(marginValue, marginValue, marginValue, marginValue); + + // Draw to the canvas. + SkNinePatch::DrawNine(canvas, bounds, gButton[newState], margin); +} + +} //WebCore + |