org.chromium.chrome.browser.compositor.layouts.LayoutProvider Java Examples

/**
 * @param context An Android context to use.
 * @param provider A LayoutProvider for accessing the current layout.
 * @param renderHost A LayoutRenderHost for accessing drawing information about the toolbar.
 */
public ToolbarSceneLayer(Context context, LayoutProvider provider,
        LayoutRenderHost renderHost) {
    mContext = context;
    mLayoutProvider = provider;
    mRenderHost = renderHost;
}
 

/**
 * Converts the layout into compositor layers. This is to be called on every frame the layout
 * is changing.
 * @param provider               Provides the layout to be rendered.
 * @param forRotation            Whether or not this is a special draw during a rotation.
 */
public void finalizeLayers(final LayoutProvider provider, boolean forRotation,
        final DrawingInfo progressBarDrawingInfo) {
    TraceEvent.begin("CompositorView:finalizeLayers");
    Layout layout = provider.getActiveLayout();
    if (layout == null || mNativeCompositorView == 0) {
        TraceEvent.end("CompositorView:finalizeLayers");
        return;
    }

    if (!mPreloadedResources) {
        // Attempt to prefetch any necessary resources
        mResourceManager.preloadResources(AndroidResourceType.STATIC,
                StaticResourcePreloads.getSynchronousResources(getContext()),
                StaticResourcePreloads.getAsynchronousResources(getContext()));
        mPreloadedResources = true;
    }

    // IMPORTANT: Do not do anything that impacts the compositor layer tree before this line.
    // If you do, you could inadvertently trigger follow up renders.  For further information
    // see dtrainor@, tedchoc@, or klobag@.

    provider.getViewportPixel(mCacheViewport);

    nativeSetLayoutBounds(mNativeCompositorView);

    SceneLayer sceneLayer =
            provider.getUpdatedActiveSceneLayer(mCacheViewport, mLayerTitleCache,
                    mTabContentManager, mResourceManager, provider.getFullscreenManager());

    nativeSetSceneLayer(mNativeCompositorView, sceneLayer);

    final LayoutTab[] tabs = layout.getLayoutTabsToRender();
    final int tabsCount = tabs != null ? tabs.length : 0;
    mLastLayerCount = tabsCount;
    TabModelImpl.flushActualTabSwitchLatencyMetric();
    nativeFinalizeLayers(mNativeCompositorView);
    TraceEvent.end("CompositorView:finalizeLayers");
}
 

/**
 * @param context An Android context to use.
 * @param provider A LayoutProvider for accessing the current layout.
 * @param renderHost A LayoutRenderHost for accessing drawing information about the toolbar.
 */
public ToolbarSceneLayer(Context context, LayoutProvider provider,
        LayoutRenderHost renderHost) {
    mContext = context;
    mLayoutProvider = provider;
    mRenderHost = renderHost;
    mViewport = new Rect();
}
 

/**
 * Converts the layout into compositor layers. This is to be called on every frame the layout
 * is changing.
 * @param provider               Provides the layout to be rendered.
 * @param forRotation            Whether or not this is a special draw during a rotation.
 */
public void finalizeLayers(final LayoutProvider provider, boolean forRotation,
        final DrawingInfo progressBarDrawingInfo) {
    TraceEvent.begin("CompositorView:finalizeLayers");
    Layout layout = provider.getActiveLayout();
    if (layout == null || mNativeCompositorView == 0) {
        TraceEvent.end("CompositorView:finalizeLayers");
        return;
    }

    if (!mPreloadedResources) {
        // Attempt to prefetch any necessary resources
        mResourceManager.preloadResources(AndroidResourceType.STATIC,
                StaticResourcePreloads.getSynchronousResources(getContext()),
                StaticResourcePreloads.getAsynchronousResources(getContext()));
        mPreloadedResources = true;
    }

    // IMPORTANT: Do not do anything that impacts the compositor layer tree before this line.
    // If you do, you could inadvertently trigger follow up renders.  For further information
    // see dtrainor@, tedchoc@, or klobag@.

    nativeSetLayoutBounds(mNativeCompositorView);

    SceneLayer sceneLayer =
            provider.getUpdatedActiveSceneLayer(mLayerTitleCache, mTabContentManager,
            mResourceManager, provider.getFullscreenManager());

    nativeSetSceneLayer(mNativeCompositorView, sceneLayer);

    TabModelImpl.flushActualTabSwitchLatencyMetric();
    nativeFinalizeLayers(mNativeCompositorView);
    TraceEvent.end("CompositorView:finalizeLayers");
}
 

/**
 * @param context An Android context to use.
 * @param provider A LayoutProvider for accessing the current layout.
 * @param renderHost A LayoutRenderHost for accessing drawing information about the toolbar.
 */
public ToolbarSceneLayer(Context context, LayoutProvider provider,
        LayoutRenderHost renderHost) {
    mContext = context;
    mLayoutProvider = provider;
    mRenderHost = renderHost;
}
 

/**
 * Converts the layout into compositor layers. This is to be called on every frame the layout
 * is changing.
 * @param provider               Provides the layout to be rendered.
 * @param forRotation            Whether or not this is a special draw during a rotation.
 */
public void finalizeLayers(final LayoutProvider provider, boolean forRotation,
        final DrawingInfo progressBarDrawingInfo) {
    TraceEvent.begin("CompositorView:finalizeLayers");
    Layout layout = provider.getActiveLayout();
    if (layout == null || mNativeCompositorView == 0) {
        TraceEvent.end("CompositorView:finalizeLayers");
        return;
    }

    if (!mPreloadedResources) {
        // Attempt to prefetch any necessary resources
        mResourceManager.preloadResources(AndroidResourceType.STATIC,
                StaticResourcePreloads.getSynchronousResources(getContext()),
                StaticResourcePreloads.getAsynchronousResources(getContext()));
        mPreloadedResources = true;
    }

    // IMPORTANT: Do not do anything that impacts the compositor layer tree before this line.
    // If you do, you could inadvertently trigger follow up renders.  For further information
    // see dtrainor@, tedchoc@, or klobag@.

    // TODO(jscholler): change 1.0f to dpToPx once the native part is fully supporting dp.
    mRenderHost.getVisibleViewport(mCacheVisibleViewport);
    mCacheVisibleViewport.right = mCacheVisibleViewport.left + mSurfaceWidth;
    mCacheVisibleViewport.bottom = mCacheVisibleViewport.top + mSurfaceHeight;

    provider.getViewportPixel(mCacheViewport);
    nativeSetLayoutViewport(mNativeCompositorView, mCacheViewport.left, mCacheViewport.top,
            mCacheViewport.width(), mCacheViewport.height(), mCacheVisibleViewport.left,
            mCacheVisibleViewport.top, 1.0f);

    SceneLayer sceneLayer =
            provider.getUpdatedActiveSceneLayer(mCacheViewport, mCacheVisibleViewport,
                    mLayerTitleCache, mTabContentManager, mResourceManager,
                    provider.getFullscreenManager());

    nativeSetSceneLayer(mNativeCompositorView, sceneLayer);

    final LayoutTab[] tabs = layout.getLayoutTabsToRender();
    final int tabsCount = tabs != null ? tabs.length : 0;
    mLastLayerCount = tabsCount;
    TabModelImpl.flushActualTabSwitchLatencyMetric();
    nativeFinalizeLayers(mNativeCompositorView);
    TraceEvent.end("CompositorView:finalizeLayers");
}