| /* |
| * 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 "CString.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[] = |
| { |
| { "btn_default_normal_disable.9.png", 2, 7 }, |
| { "btn_default_normal.9.png", 2, 7 }, |
| { "btn_default_selected.9.png", 2, 7 }, |
| { "btn_default_pressed.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 |