diff options
| -rw-r--r-- | packages/SystemUI/src/com/android/systemui/ImageWallpaper.java | 103 |
1 files changed, 53 insertions, 50 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java index 6877cba59fff..0958f70ffbd4 100644 --- a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java +++ b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java @@ -31,8 +31,10 @@ import android.os.SystemProperties; import android.renderscript.Matrix4f; import android.service.wallpaper.WallpaperService; import android.util.Log; +import android.view.Display; import android.view.MotionEvent; import android.view.SurfaceHolder; +import android.view.WindowManager; import javax.microedition.khronos.egl.EGL10; import javax.microedition.khronos.egl.EGLConfig; @@ -108,6 +110,7 @@ public class ImageWallpaper extends WallpaperService { Bitmap mBackground; int mBackgroundWidth = -1, mBackgroundHeight = -1; + int mLastRotation = -1; float mXOffset; float mYOffset; @@ -156,7 +159,7 @@ public class ImageWallpaper extends WallpaperService { mBackgroundWidth = mBackgroundHeight = -1; mBackground = null; mRedrawNeeded = true; - drawFrameLocked(false); + drawFrameLocked(); } } } @@ -225,7 +228,7 @@ public class ImageWallpaper extends WallpaperService { @Override public void onVisibilityChanged(boolean visible) { if (DEBUG) { - Log.d(TAG, "onVisibilityChanged: visible=" + visible); + Log.d(TAG, "onVisibilityChanged: mVisible, visible=" + mVisible + ", " + visible); } synchronized (mLock) { @@ -234,7 +237,7 @@ public class ImageWallpaper extends WallpaperService { Log.d(TAG, "Visibility changed to visible=" + visible); } mVisible = visible; - drawFrameLocked(false); + drawFrameLocked(); } } } @@ -263,7 +266,7 @@ public class ImageWallpaper extends WallpaperService { mYOffset = yOffset; mOffsetsChanged = true; } - drawFrameLocked(false); + drawFrameLocked(); } } @@ -276,80 +279,81 @@ public class ImageWallpaper extends WallpaperService { super.onSurfaceChanged(holder, format, width, height); synchronized (mLock) { - mRedrawNeeded = true; - mBackgroundWidth = mBackgroundHeight = -1; - drawFrameLocked(true); + drawFrameLocked(); } } @Override + public void onSurfaceDestroyed(SurfaceHolder holder) { + super.onSurfaceDestroyed(holder); + mBackgroundWidth = mBackgroundHeight = -1; + } + + @Override + public void onSurfaceCreated(SurfaceHolder holder) { + super.onSurfaceCreated(holder); + mBackgroundWidth = mBackgroundHeight = -1; + } + + @Override public void onSurfaceRedrawNeeded(SurfaceHolder holder) { if (DEBUG) { - Log.d(TAG, "onSurfaceRedrawNeeded:"); + Log.d(TAG, "onSurfaceRedrawNeeded"); } super.onSurfaceRedrawNeeded(holder); synchronized (mLock) { - mRedrawNeeded = true; - drawFrameLocked(false); + drawFrameLocked(); } } - void drawFrameLocked(boolean force) { - if (!force) { - if (!mVisible) { - if (DEBUG) { - Log.d(TAG, "Suppressed drawFrame since wallpaper is not visible."); - } - return; - } - if (!mRedrawNeeded && !mOffsetsChanged) { - if (DEBUG) { - Log.d(TAG, "Suppressed drawFrame since redraw is not needed " - + "and offsets have not changed."); - } - return; + void drawFrameLocked() { + SurfaceHolder sh = getSurfaceHolder(); + final Rect frame = sh.getSurfaceFrame(); + final int dw = frame.width(); + final int dh = frame.height(); + int newRotation = ((WindowManager) getSystemService(WINDOW_SERVICE)). + getDefaultDisplay().getRotation(); + + boolean redrawNeeded = dw != mBackgroundWidth || dh != mBackgroundHeight || + newRotation != mLastRotation; + if (!redrawNeeded && !mOffsetsChanged) { + if (DEBUG) { + Log.d(TAG, "Suppressed drawFrame since redraw is not needed " + + "and offsets have not changed."); } + return; } - // If we don't yet know the size of the wallpaper bitmap, - // we need to get it now. - boolean updateWallpaper = mBackgroundWidth < 0 || mBackgroundHeight < 0 ; - - // If we somehow got to this point after we have last flushed - // the wallpaper, well we really need it to draw again. So - // seems like we need to reload it. Ouch. - updateWallpaper = updateWallpaper || mBackground == null; + mLastRotation = newRotation; - if (updateWallpaper) { + // Load bitmap if it is not yet loaded or if it was loaded at a different size + if (mBackground == null || dw != mBackgroundWidth || dw != mBackgroundHeight) { + if (DEBUG) { + Log.d(TAG, "Reloading bitmap"); + } + mWallpaperManager.forgetLoadedWallpaper(); updateWallpaperLocked(); } - SurfaceHolder sh = getSurfaceHolder(); - final Rect frame = sh.getSurfaceFrame(); - final int dw = frame.width(); - final int dh = frame.height(); final int availw = dw - mBackgroundWidth; final int availh = dh - mBackgroundHeight; int xPixels = availw < 0 ? (int)(availw * mXOffset + .5f) : (availw / 2); int yPixels = availh < 0 ? (int)(availh * mYOffset + .5f) : (availh / 2); mOffsetsChanged = false; - if (!force && !mRedrawNeeded - && xPixels == mLastXTranslation && yPixels == mLastYTranslation) { + mRedrawNeeded = false; + mLastXTranslation = xPixels; + mLastYTranslation = yPixels; + if (!redrawNeeded && xPixels == mLastXTranslation && yPixels == mLastYTranslation) { if (DEBUG) { Log.d(TAG, "Suppressed drawFrame since the image has not " + "actually moved an integral number of pixels."); } return; } - mRedrawNeeded = false; - mLastXTranslation = xPixels; - mLastYTranslation = yPixels; if (DEBUG) { - Log.d(TAG, "drawFrameUnlocked(" + force + "): mBackgroundWxH=" + mBackgroundWidth + "x" - + mBackgroundHeight + " SurfaceFrame=" + frame.toShortString() - + " X,YOffset=" + mXOffset + "," + mYOffset); + Log.d(TAG, "Redrawing wallpaper"); } if (mIsHwAccelerated) { if (!drawWallpaperWithOpenGL(sh, availw, availh, xPixels, yPixels)) { @@ -429,7 +433,6 @@ public class ImageWallpaper extends WallpaperService { final float bottom = top + mBackgroundHeight; final Rect frame = sh.getSurfaceFrame(); - final Matrix4f ortho = new Matrix4f(); ortho.loadOrtho(0.0f, frame.width(), frame.height(), 0.0f, -1.0f, 1.0f); @@ -437,7 +440,7 @@ public class ImageWallpaper extends WallpaperService { final int texture = loadTexture(mBackground); final int program = buildProgram(sSimpleVS, sSimpleFS); - + final int attribPosition = glGetAttribLocation(program, "position"); final int attribTexCoords = glGetAttribLocation(program, "texCoords"); final int uniformTexture = glGetUniformLocation(program, "texture"); @@ -460,7 +463,7 @@ public class ImageWallpaper extends WallpaperService { glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT); } - + // drawQuad triangleVertices.position(TRIANGLE_VERTICES_DATA_POS_OFFSET); glVertexAttribPointer(attribPosition, 3, GL_FLOAT, false, @@ -471,12 +474,12 @@ public class ImageWallpaper extends WallpaperService { TRIANGLE_VERTICES_DATA_STRIDE_BYTES, triangleVertices); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); - + if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) { throw new RuntimeException("Cannot swap buffers"); } checkEglError(); - + finishGL(); return true; |