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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 package org.chromium.chrome.browser.compositor.scene_layer; | |
| 6 | |
| 7 import org.chromium.base.annotations.JNINamespace; | |
| 8 import org.chromium.chrome.R; | |
| 9 import org.chromium.chrome.browser.compositor.bottombar.OverlayPanel; | |
| 10 import org.chromium.content_public.browser.WebContents; | |
| 11 import org.chromium.ui.resources.ResourceManager; | |
| 12 | |
| 13 /** | |
| 14 * A SceneLayer to render layers for Reader Mode. | |
| 15 */ | |
| 16 @JNINamespace("android") | |
| 17 public class ReaderModeSceneLayer extends SceneOverlayLayer { | |
| 18 /** Pointer to native ReaderModeSceneLayer. */ | |
| 19 private long mNativePtr; | |
| 20 | |
| 21 /** If the scene layer has been initialized. */ | |
| 22 private boolean mIsInitialized; | |
| 23 | |
| 24 /** The conversion multiple from dp to px. */ | |
| 25 private final float mDpToPx; | |
| 26 | |
| 27 /** | |
| 28 * @param dpToPx The conversion multiple from dp to px for the device. | |
| 29 */ | |
| 30 public ReaderModeSceneLayer(float dpToPx) { | |
| 31 mDpToPx = dpToPx; | |
| 32 } | |
| 33 | |
| 34 /** | |
| 35 * Update the scene layer to draw an OverlayPanel. | |
| 36 * @param resourceManager Manager to get view and image resources. | |
| 37 * @param panel The OverlayPanel to render. | |
| 38 * @param barTextViewId The ID of the view containing the Reader Mode text. | |
| 39 * @param barTextOpacity The opacity of the text specified by {@code barText
ViewId}. | |
| 40 */ | |
| 41 public void update(ResourceManager resourceManager, OverlayPanel panel, int
barTextViewId, | |
| 42 float barTextOpacity) { | |
| 43 // Don't try to update the layer if not initialized or showing. | |
| 44 if (resourceManager == null || !panel.isShowing()) return; | |
| 45 | |
| 46 if (!mIsInitialized) { | |
| 47 nativeCreateReaderModeLayer(mNativePtr, resourceManager); | |
| 48 // TODO(mdjones): Rename contextual search resources below to be gen
eric to overlay | |
| 49 // panels. | |
| 50 nativeSetResourceIds(mNativePtr, | |
| 51 barTextViewId, | |
| 52 R.drawable.contextual_search_bar_background, | |
| 53 R.drawable.contextual_search_bar_shadow, | |
| 54 R.drawable.infobar_mobile_friendly, | |
| 55 R.drawable.btn_close); | |
| 56 mIsInitialized = true; | |
| 57 } | |
| 58 | |
| 59 WebContents panelWebContents = panel.getContentViewCore() != null | |
| 60 ? panel.getContentViewCore().getWebContents() : null; | |
| 61 | |
| 62 nativeUpdate(mNativePtr, | |
| 63 mDpToPx, | |
| 64 panel.getBasePageBrightness(), | |
| 65 panel.getBasePageY() * mDpToPx, | |
| 66 panelWebContents, | |
| 67 panel.getOffsetX() * mDpToPx, | |
| 68 panel.getOffsetY() * mDpToPx, | |
| 69 panel.getWidth() * mDpToPx, | |
| 70 panel.getHeight() * mDpToPx, | |
| 71 panel.getBarMarginSide() * mDpToPx, | |
| 72 panel.getBarHeight() * mDpToPx, | |
| 73 barTextOpacity, | |
| 74 panel.isBarBorderVisible(), | |
| 75 panel.getBarBorderHeight() * mDpToPx, | |
| 76 panel.getBarShadowVisible(), | |
| 77 panel.getBarShadowOpacity()); | |
| 78 } | |
| 79 | |
| 80 @Override | |
| 81 public void setContentTree(SceneLayer contentTree) { | |
| 82 nativeSetContentTree(mNativePtr, contentTree); | |
| 83 } | |
| 84 | |
| 85 /** | |
| 86 * Hide the layer tree; for use if the panel is not being shown. | |
| 87 */ | |
| 88 public void hideTree() { | |
| 89 if (!mIsInitialized) return; | |
| 90 nativeHideTree(mNativePtr); | |
| 91 } | |
| 92 | |
| 93 @Override | |
| 94 protected void initializeNative() { | |
| 95 if (mNativePtr == 0) { | |
| 96 mNativePtr = nativeInit(); | |
| 97 } | |
| 98 assert mNativePtr != 0; | |
| 99 } | |
| 100 | |
| 101 /** | |
| 102 * Destroys this object and the corresponding native component. | |
| 103 */ | |
| 104 @Override | |
| 105 public void destroy() { | |
| 106 super.destroy(); | |
| 107 mIsInitialized = false; | |
| 108 mNativePtr = 0; | |
| 109 } | |
| 110 | |
| 111 private native long nativeInit(); | |
| 112 private native void nativeCreateReaderModeLayer( | |
| 113 long nativeReaderModeSceneLayer, | |
| 114 ResourceManager resourceManager); | |
| 115 private native void nativeSetContentTree( | |
| 116 long nativeReaderModeSceneLayer, | |
| 117 SceneLayer contentTree); | |
| 118 private native void nativeHideTree( | |
| 119 long nativeReaderModeSceneLayer); | |
| 120 private native void nativeSetResourceIds( | |
| 121 long nativeReaderModeSceneLayer, | |
| 122 int barTextResourceId, | |
| 123 int barBackgroundResourceId, | |
| 124 int barShadowResourceId, | |
| 125 int panelIconResourceId, | |
| 126 int closeIconResourceId); | |
| 127 private native void nativeUpdate( | |
| 128 long nativeReaderModeSceneLayer, | |
| 129 float dpToPx, | |
| 130 float basePageBrightness, | |
| 131 float basePageYOffset, | |
| 132 WebContents webContents, | |
| 133 float panelX, | |
| 134 float panelY, | |
| 135 float panelWidth, | |
| 136 float panelHeight, | |
| 137 float barMarginSide, | |
| 138 float barHeight, | |
| 139 float textOpacity, | |
| 140 boolean barBorderVisible, | |
| 141 float barBorderHeight, | |
| 142 boolean barShadowVisible, | |
| 143 float barShadowOpacity); | |
| 144 } | |
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Chromium Code Reviews
Issue 2883643002:
Clean up ReaderMode OverlayPanel classes (Closed)
