browser_controls_container_view.cc 7.1 KB

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  1. // Copyright 2019 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. #include "weblayer/browser/browser_controls_container_view.h"
  5. #include "base/android/jni_string.h"
  6. #include "base/bind.h"
  7. #include "base/callback.h"
  8. #include "base/feature_list.h"
  9. #include "base/trace_event/trace_event.h"
  10. #include "cc/layers/ui_resource_layer.h"
  11. #include "content/public/browser/android/compositor.h"
  12. #include "content/public/browser/render_view_host.h"
  13. #include "content/public/browser/render_widget_host.h"
  14. #include "content/public/browser/web_contents.h"
  15. #include "ui/android/resources/resource.h"
  16. #include "ui/android/resources/resource_manager.h"
  17. #include "ui/android/view_android.h"
  18. #include "weblayer/browser/content_view_render_view.h"
  19. #include "weblayer/browser/java/jni/BrowserControlsContainerView_jni.h"
  20. #include "weblayer/browser/weblayer_features.h"
  21. using base::android::AttachCurrentThread;
  22. using base::android::JavaParamRef;
  23. namespace weblayer {
  24. BrowserControlsContainerView::BrowserControlsContainerView(
  25. const JavaParamRef<jobject>& java_browser_controls_container_view,
  26. ContentViewRenderView* content_view_render_view,
  27. bool is_top)
  28. : java_browser_controls_container_view_(
  29. java_browser_controls_container_view),
  30. content_view_render_view_(content_view_render_view),
  31. is_top_(is_top) {
  32. DCHECK(content_view_render_view_);
  33. if (!is_top_) {
  34. content_view_render_view_->SetContentHeightChangedListener(
  35. base::BindRepeating(&BrowserControlsContainerView::ContentHeightChanged,
  36. base::Unretained(this)));
  37. }
  38. }
  39. BrowserControlsContainerView::~BrowserControlsContainerView() {
  40. if (!is_top_) {
  41. content_view_render_view_->SetContentHeightChangedListener(
  42. base::RepeatingClosure());
  43. }
  44. }
  45. int BrowserControlsContainerView::GetControlsHeight() {
  46. return controls_layer_ ? controls_layer_->bounds().height() : 0;
  47. }
  48. int BrowserControlsContainerView::GetMinHeight() {
  49. return Java_BrowserControlsContainerView_getMinHeight(
  50. AttachCurrentThread(), java_browser_controls_container_view_);
  51. }
  52. bool BrowserControlsContainerView::OnlyExpandControlsAtPageTop() {
  53. return Java_BrowserControlsContainerView_onlyExpandControlsAtPageTop(
  54. AttachCurrentThread(), java_browser_controls_container_view_);
  55. }
  56. bool BrowserControlsContainerView::ShouldAnimateBrowserControlsHeightChanges() {
  57. return Java_BrowserControlsContainerView_shouldAnimateBrowserControlsHeightChanges(
  58. AttachCurrentThread(), java_browser_controls_container_view_);
  59. }
  60. int BrowserControlsContainerView::GetContentHeightDelta() {
  61. if (!controls_layer_ || !web_contents())
  62. return 0;
  63. if (is_top_)
  64. return web_contents()->GetNativeView()->GetLayer()->position().y();
  65. return content_view_render_view_->content_height() -
  66. controls_layer_->position().y();
  67. }
  68. bool BrowserControlsContainerView::IsFullyVisible() const {
  69. // At this time this is only needed for top-controls.
  70. DCHECK(is_top_);
  71. return controls_layer_ && controls_layer_->position().y() == 0;
  72. }
  73. void BrowserControlsContainerView::CreateControlsLayer(JNIEnv* env, int id) {
  74. controls_resource_id_ = id;
  75. controls_layer_ = cc::UIResourceLayer::Create();
  76. // Real size is sent in SetControlsSize().
  77. controls_layer_->SetBounds(gfx::Size(1, 1));
  78. controls_layer_->SetPosition(gfx::PointF(0, 0));
  79. controls_layer_->SetElementId(cc::ElementId(controls_layer_->id()));
  80. controls_layer_->SetHitTestable(false);
  81. controls_layer_->SetIsDrawable(true);
  82. content_view_render_view_->root_container_layer()->AddChild(controls_layer_);
  83. UpdateControlsResource(env);
  84. }
  85. void BrowserControlsContainerView::DeleteBrowserControlsContainerView(
  86. JNIEnv* env) {
  87. delete this;
  88. }
  89. void BrowserControlsContainerView::DeleteControlsLayer(JNIEnv* env) {
  90. controls_layer_.reset();
  91. }
  92. void BrowserControlsContainerView::SetTopControlsOffset(JNIEnv* env,
  93. int content_offset_y) {
  94. DCHECK(is_top_);
  95. // |controls_layer_| may not be created if the controls view has 0 height.
  96. if (controls_layer_)
  97. controls_layer_->SetPosition(gfx::PointF(0, GetControlsOffset()));
  98. if (web_contents()) {
  99. web_contents()->GetNativeView()->GetLayer()->SetPosition(
  100. gfx::PointF(0, content_offset_y));
  101. }
  102. }
  103. void BrowserControlsContainerView::SetBottomControlsOffset(JNIEnv* env) {
  104. DCHECK(!is_top_);
  105. DoSetBottomControlsOffset();
  106. }
  107. void BrowserControlsContainerView::SetControlsSize(JNIEnv* env,
  108. int width,
  109. int height) {
  110. DCHECK(controls_layer_);
  111. controls_layer_->SetBounds(gfx::Size(width, height));
  112. // It's assumed the caller handles triggering SynchronizeVisualProperties()
  113. // being called (this is done in java code).
  114. }
  115. void BrowserControlsContainerView::UpdateControlsResource(JNIEnv* env) {
  116. DCHECK(controls_layer_);
  117. ui::ResourceManager& resource_manager =
  118. content_view_render_view_->compositor()->GetResourceManager();
  119. ui::Resource* controls_resource = resource_manager.GetResource(
  120. ui::ANDROID_RESOURCE_TYPE_DYNAMIC, controls_resource_id_);
  121. DCHECK(controls_resource);
  122. controls_layer_->SetUIResourceId(controls_resource->ui_resource()->id());
  123. }
  124. void BrowserControlsContainerView::SetWebContents(
  125. JNIEnv* env,
  126. const JavaParamRef<jobject>& web_contents) {
  127. Observe(content::WebContents::FromJavaWebContents(web_contents));
  128. }
  129. void BrowserControlsContainerView::DidToggleFullscreenModeForTab(
  130. bool entered_fullscreen,
  131. bool will_cause_resize) {
  132. TRACE_EVENT0(
  133. "weblayer",
  134. "Java_BrowserControlsContainerView_didToggleFullscreenModeForTab");
  135. Java_BrowserControlsContainerView_didToggleFullscreenModeForTab(
  136. AttachCurrentThread(), java_browser_controls_container_view_,
  137. entered_fullscreen);
  138. }
  139. void BrowserControlsContainerView::ContentHeightChanged() {
  140. DCHECK(!is_top_);
  141. DoSetBottomControlsOffset();
  142. }
  143. int BrowserControlsContainerView::GetControlsOffset() {
  144. return Java_BrowserControlsContainerView_getControlsOffset(
  145. AttachCurrentThread(), java_browser_controls_container_view_);
  146. }
  147. void BrowserControlsContainerView::DoSetBottomControlsOffset() {
  148. DCHECK(!is_top_);
  149. // |controls_layer_| may not be created if the controls view has 0 height.
  150. if (!controls_layer_)
  151. return;
  152. controls_layer_->SetPosition(
  153. gfx::PointF(0, content_view_render_view_->content_height() -
  154. GetControlsHeight() + GetControlsOffset()));
  155. }
  156. static jlong
  157. JNI_BrowserControlsContainerView_CreateBrowserControlsContainerView(
  158. JNIEnv* env,
  159. const JavaParamRef<jobject>& java_browser_controls_container_view,
  160. jlong native_content_view_render_view,
  161. jboolean is_top) {
  162. return reinterpret_cast<jlong>(new BrowserControlsContainerView(
  163. java_browser_controls_container_view,
  164. reinterpret_cast<ContentViewRenderView*>(native_content_view_render_view),
  165. is_top));
  166. }
  167. static jboolean JNI_BrowserControlsContainerView_ShouldDelayVisibilityChange(
  168. JNIEnv* env) {
  169. return !base::FeatureList::IsEnabled(kImmediatelyHideBrowserControlsForTest);
  170. }
  171. } // namespace weblayer